body {
  font-family: Arial, sans-serif;
  background-color: #f4f4f4;
  color: #333;
  /* max-width: 700px; */
  /* margin: 20px auto; */
  margin: 0;
  /* padding: 0 10px; */
}

main {
  max-width: 700px;
  margin: 20px auto;
  padding: 0 10px;
}

h1 {
  text-align: center;
  color: #2c3e50;
}

h2,
h3 {
  margin-top: 0;
  color: #2c3e50;
}

/* boxes around each section */
.card {
  background-color: white;
  border: 1px solid #ddd;
  border-radius: 6px;
  padding: 15px;
  margin: 15px 0;
  animation-name: fade-in;
  animation-duration: 0.4s;
}

/* forms */
label {
  display: block;
  margin-top: 10px;
  font-weight: bold;
}

input,
textarea,
select {
  width: 100%;
  padding: 6px;
  margin-top: 4px;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-family: inherit;
  box-sizing: border-box;
}

textarea {
  resize: vertical;
}

/* buttons */
button {
  background-color: #3498db;
  color: white;
  border: none;
  border-radius: 4px;
  padding: 8px 14px;
  margin-top: 10px;
  cursor: pointer;
}

button:hover {
  background-color: #2980b9;
}

button:disabled {
  background-color: #bbb;
  cursor: not-allowed;
}

.delete-comment-btn {
  background-color: #e74c3c;
}

.delete-comment-btn:hover {
  background-color: #c0392b;
}

/* image */
.card img {
  display: block;
  max-width: 100%;
  margin: 10px auto;
  border-radius: 4px;
}

/* comments */
.comment {
  border-bottom: 1px solid #eee;
  padding: 10px 0;
}

.comment p {
  margin: 4px 0;
}

.comment-author {
  font-weight: bold;
}

.comment-date {
  font-size: 0.8em;
  color: #888;
}

/* errors */
.error {
  background-color: #fdecea;
  color: #c0392b;
  border: 1px solid #e74c3c;
  border-radius: 4px;
  padding: 10px;
}

/* navbar */
.topnav {
  background-color: #c8c8c8;
  padding: 10px 15px;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 10px;
}

.topnav button {
  margin-top: 0;
  font-size: inherit;
}

/* a link that looks like other buttons */
.nav-btn {
  background-color: #3498db;
  color: white;
  text-decoration: none;
  border-radius: 4px;
  padding: 8px 14px;
}

.nav-btn:hover {
  background-color: #2980b9;
}

#signout-btn,
#delete-image-btn {
  background-color: #e74c3c;
}

#signout-btn:hover,
#delete-image-btn:hover {
  background-color: #c0392b;
}

/* helpers */

.hidden {
  display: none;
}

/* animation */
@keyframes fade-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}